Solution : https://service.sap.com/sap/support/notes/1081634 (SAP Service marketplace login required)
Key words : 
i5/os application server, [pase] /sapdbas4/lib/libperfstat, i5/os terminates, scm application server, directory /sapdbas4/lib, maxdb client sofrware, maxdb client software, maxdb database, library libperfstat, file libperfstat
Related Notes : 
       
| 1047374 | IBM i: liveCache access for SCM 4.1 and the following | 
| 1037016 | IBM i: MaxDB Client Support for IBM i application server |